Home / 11,625.08-16,042.38-6,319.94

Finding the Fourth Proportional to 11,625.08, 16,042.38 and 6,319.94

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Solution

The fourth proportional to 11,625.08, 16,042.38 and 6,319.94 is: 8,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.08 : 16,042.38 = 6,319.94 : x
  2. Step 2: Convert to fraction form
    11,625.08/16,042.38 = 6,319.94/x
  3. Step 3: Cross multiply
    11,625.08x = 16,042.38 × 6,319.94
  4. Step 4: Simplify right side
    11,625.08x = 101,386,879.06
  5. Step 5: Solve for x
    x = 101,386,879.06/11,625.08
  6. Step 6: Final answer
    x = 8,721.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.